Methods and arrangements for managing termination of a telephone call. This not only ensures intimate contact of the teeth with the gel, but also maintains a more or less constant spacing between the light source and the tooth surfaces for optimum results. The second P type epitaxial layer is connected to a ground terminal via the first P type epitaxial layer, the P well, a p+ diffusion region, a via and a wire. Subsequently, the email is intermediately filtered to differentiate further spam at least once before a user device attempts to access the email.